package com.yang.designmode.ActionMode.observer;
// 实现具体的观察者
public class ConcreteObserver implements Observer {
    private String name;

    public ConcreteObserver(String name) {
        this.name = name;
    }

    @Override
    public void update(String message) {
        System.out.println(name + " 收到通知: " + message);
    }
}
